515.9 LIPSCHUTZ, SEYMOUR COMPLEX VARIABLES / / M . R . SPIEGEL & OTHERS. - 2ND ED. - NEW DELHI: : MCGRAW HILL EDUCATION PVT LTD,, 2009 ( RPT 2014). 408 P. : : 550/- * GUPTA, SHISHIRSCHILLER, JOHN JSPELLMAN, DENNISSPIEGEL, MURRAY * Title